Number | Date | Country | Kind |
---|---|---|---|
2001-020949 | Jan 2001 | JP | |
2001-311609 | Oct 2001 | JP |
Number | Name | Date | Kind |
---|---|---|---|
2948296 | Thorburn | Aug 1960 | A |
RE25037 | Brazier | Sep 1961 | E |
3090564 | Gilmour | May 1963 | A |
3762439 | Heath | Oct 1973 | A |
3996126 | Rasmussen | Dec 1976 | A |
Number | Date | Country |
---|---|---|
0 792 584 | Sep 1997 | EP |
Entry |
---|
Patent Abstract of Japan, 08 24863 A vol. 1996, No. 5, May 31, 1996. |